﻿body {
    margin:0px;
}
.img{
    width:545px;
    height:290px;
    background-image:url(../images/gongqiu.GIF);
    margin:0 auto;
 }
.yh{
    width:190px;margin:0 auto;
}
.zh{
    width:300px;margin:0 auto;
}
.button{
    width:300px;margin-left:70px;
}